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參數(shù)資料
| 型號(hào)： | MTD20N03HDL |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | 1.5 A Switch-Mode Power Supply with Linear Regulator |
| 中文描述： | 1.5開關(guān)模式電源，線性穩(wěn)壓器 |
| 文件頁數(shù)： | 9/38頁 |
| 文件大?。?/td> | 739K |
| 代理商： | MTD20N03HDL |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
9
34701
STATIC ELECTRICAL CHARACTERISTICS
Linear Regulator (LDO)
LDO Feedback Voltage
(15)
VIN1 = VIN2 = 2.8 V to 6.0 V, ILDO = 10 mA to 1000 mA. Includes Load
Regulation Error
V
LFB
0.784
0.800
0.816
V
LDO Voltage Margining Step Size
V
MLDO
–
1.0
–
%
LDO Voltage Margining Highest Positive Value
V
MP
5.9
–
7.9
%
LDO Voltage Margining Lowest Negative Value
V
MN
-7.9
–
-5.9
%
LDO Line Regulation
(15)
VIN1 = VIN2 = 2.8 V to 6.0 V, ILDO = 1000 mA
REG
LNVLDO
-1.0
–
1.0
%
LDO Load Regulation
(15)
ILDO = 10 mA to 1000 mA
REG
LDVLDO
-1.0
–
1.0
%
LDO Ripple Rejection, Dropout Voltage
(15)
VDO = 1.0 V, VRIPPLE
= +1.0 V p-p
Sinusoidal, f = 300 kHz, ILDO = 500 mA
(14)
V
LDO_RR
–
40
–
dB
LDO Maximum Dropout Voltage (VIN - VLDO), using IRL2703
(15)
VLDO = 2.5 V, ILDO = 1000 mA
V
DO
–
50
75
mV
LDO Current Sense Comparator Threshold Voltage (VCS - VLDO)
V
CSTH
35
50
65
mV
LDO Terminal Input Current, VLDO = 5.25 V
I
LDO
1.0
1.9
4.0
mA
LDO Feedback Input Current (LFB Terminal), VLFB = 0.8 V
I
LFB
-1.0
–
1.0
μ
A
LDO Drive Output Current (LDRV
Terminal), VLDRV = 0 V
I
LDRV
-5.0
-3.3
-2.0
mA
CS Terminal Input Leakage Current
VCS = 5.25 V
I
CSLK
50
–
200
μ
A
LDO Pulldown MOSFET Q4 Current Limit
T
A
= 25°C, VBST
= 8.0 V (LDO Terminal)
I
LIMQ4
0.75
–
2.0
A
LDO Pulldown MOSFET Q4 RDS(ON)
ID = 1.0 A, VBST
= 8.0 V
R
DS(ON)Q4
–
–
1.9
LDO Recommended Output Capacitance
C
LDO
–
10
–
μ
F
LDO Recommended Output Capacitor ESR
R
LDO
–
5.0
–
m
Thermal Shutdown (LDO Pulldown MOSFET Q4)
(14)
T
SD
150
170
190
°C
Thermal Shutdown Hysteresis
(14)
T
SDHYS
–
10
–
°C
Notes
14.
15.
Design information only. This parameter is not production tested.
IDO refers to Load Current on External LDOFET - IRL2703 is the Intersil MOSFET.
Table 3. Static Electrical Characteristics (continued)
Characteristics noted under conditions -40°C
≤
T
A
≤
85
°
C unless otherwise noted. Input voltages VIN1 = VIN2
= 3.3 V using
the typical application circuit (see
Figure 33
) unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
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